From 3e1fc8a5c9d1e7bbc5dd988a42c1a0fe4222625a Mon Sep 17 00:00:00 2001
From: Lee Hinman <dakrone@users.noreply.github.com>
Date: Thu, 26 Mar 2020 09:12:09 -0600
Subject: [PATCH] [7.x] #32478 fixed cluster stats return 8EB (#32480)
 (32972311) (#54273)
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Co-authored-by: Darby.Han <darby.han@navercorp.com>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: 한우람 <hgword@gmail.com>
Co-authored-by: Darby.Han <darby.han@navercorp.com>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
---
 .../src/main/java/org/elasticsearch/monitor/fs/FsInfo.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/server/src/main/java/org/elasticsearch/monitor/fs/FsInfo.java b/server/src/main/java/org/elasticsearch/monitor/fs/FsInfo.java
index fe0c8a9683832..fad5b4c019492 100644
--- a/server/src/main/java/org/elasticsearch/monitor/fs/FsInfo.java
+++ b/server/src/main/java/org/elasticsearch/monitor/fs/FsInfo.java
@@ -114,6 +114,9 @@ public ByteSizeValue getAvailable() {
         }
 
         private long addLong(long current, long other) {
+            if (current == -1 && other == -1) {
+                return 0;
+            }
             if (other == -1) {
                 return current;
             }
@@ -124,6 +127,9 @@ private long addLong(long current, long other) {
         }
 
         private double addDouble(double current, double other) {
+            if (current == -1 && other == -1) {
+                return 0;
+            }
             if (other == -1) {
                 return current;
             }